Exhaust hood



FIG. 1 is a perspective view of an exhaust hood showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a front elevation thereof;

FIG. 6 is a right side elevation thereof;

FIG. 7 is a rear elevation thereof. 

The ornamental design for an exhaust hood, as shown and described. 